Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. Ripple marks in sediment indicating a relatively high current regime in this particular area.

Ring of Fire 2006 Expedition. Rock outcrop. Look closely for squat lobsters and small starfish.

Ring of Fire 2006 Expedition. Oddly textured rock outcrop.

Ring of Fire 2006 Expedition. Basket stars and small crinoid.

Ring of Fire 2006 Expedition. Basket stars

Ring of Fire 2006 Expedition. Basket stars.

Ring of Fire 2006 Expedition. Basket stars, stylaster corals, and a crinoid.

Ring of Fire 2006 Expedition. Basket stars, stylaster corals, and a crinoid.

Ring of Fire 2006 Expedition. Basket stars.

Ring of Fire 2006 Expedition. Basket star.

Ring of Fire 2006 Expedition. Small white corals.

Ring of Fire 2006 Expedition. Small white corals and yellow anemones? corallimorphians? zooanthids?

Ring of Fire 2006 Expedition. Small yellow and white corals.

Ring of Fire 2006 Expedition. Small yellow and white corals.

Ring of Fire 2006 Expedition. Small yellow corals and fish.

Ring of Fire 2006 Expedition. Small yellow and white corals.

Ring of Fire 2006 Expedition. Seafloor covered with dead broken coral.

Ring of Fire 2006 Expedition. Seafloor covered with dead broken coral with a few small yellow corals.

Ring of Fire 2006 Expedition. Angular boulder field.

Ring of Fire 2006 Expedition. East Diamante Volcano. Basket star, white soft corals, what appears to be a black coral bush in the left background, and photosynthetic algae at the lower extent of the photosynthetic zone.

Ring of Fire 2006 Expedition. East Diamante Volcano. Hydrothermal vent chimneys in waters clouded by hydrothermal fluids.

Ring of Fire 2006 Expedition. East Diamante Volcano. A hydrothermal vent chimney.

Ring of Fire 2006 Expedition. East Diamante Volcano. Sampling hydrothermal fluids from an active vent chimney

Ring of Fire 2006 Expedition. East Diamante Volcano. An active hydrothermal vent chimney spewing out hydrothermal fluids.

Ring of Fire 2006 Expedition. East Diamante Volcano. Shimmering warm hydrothermal fluids show a distinct layering with overlying cooler waters at an active hydrothermal vent field.

Ring of Fire 2006 Expedition. East Diamante Volcano. Sampling shimmering warm hydrothermal fluids show a distinct layering with overlying cooler waters at an active hydrothermal vent field.

Ring of Fire 2006 Expedition. East Diamante Volcano. Sampling hydrothermal vent minerals.

Ring of Fire 2006 Expedition. East Diamante Volcano. Picturesque hydrothermal vent chimneys.

Ring of Fire 2006 Expedition. East Diamante Volcano. White bacterial mats, crabs and a vent chimney.

Ring of Fire 2006 Expedition. East Diamante Volcano. The lower extent of photosynthetic life on the upper slopes of the volcano.

Ring of Fire 2006 Expedition. East Diamante Volcano. A large basket star, soft corals, and red and green algae at the top of the volcano. This is one of the few places on earth where photosynthetic and chemosynthetic communities co-exist in close proximity.

Ring of Fire 2006 Expedition. East Diamante Volcano. A large basket star, soft corals, and red and green algae at the top of the volcano. This is one of the few places on earth where photosynthetic and chemosynthetic communities co-exist in close proximity.

Ring of Fire 2006 Expedition. East Diamante Volcano. A large basket star, soft corals, and red and green algae at the top of the volcano. This is one of the few places on earth where photosynthetic and chemosynthetic communities co-exist in close proximity.

Ring of Fire 2006 Expedition. East Diamante Volcano. A large basket star, soft corals, and red and green algae at the top of the volcano. This is one of the few places on earth where photosynthetic and chemosynthetic communities co-exist in close proximity.

Ring of Fire 2006 Expedition. East Diamante Volcano. A large basket star, soft corals, and red and green algae at the top of the volcano. This is one of the few places on earth where photosynthetic and chemosynthetic communities co-exist in close proximity.

Ring of Fire 2006 Expedition. East Diamante Volcano. A large basket star, soft corals, and red and green algae at the top of the volcano. This is one of the few places on earth where photosynthetic and chemosynthetic communities co-exist in close proximity.

Ring of Fire 2006 Expedition. East Diamante Volcano. The lower extent of photosynthetic life on the upper slopes of the volcano.

Ring of Fire 2006 Expedition. Ruby Volcano. Crinoid and and red and white striped fishgh

Ring of Fire 2006 Expedition. Ruby Volcano. Sunflower sea star.

Ring of Fire 2006 Expedition. Ruby Volcano.

Ring of Fire 2006 Expedition. Ruby Volcano.

Ring of Fire 2006 Expedition. Ruby Volcano.

Ring of Fire 2006 Expedition. Ruby Volcano.

Ring of Fire 2006 Expedition. Ruby Volcano.

Ring of Fire 2006 Expedition. Ruby Volcano.

Ring of Fire 2006 Expedition. Ruby Volcano.

Ring of Fire 2006 Expedition. Ruby Volcano.

Ring of Fire 2006 Expedition. Ruby Volcano.

Ring of Fire 2006 Expedition. Ruby Volcano.

Ring of Fire 2006 Expedition. Ruby Volcano.